Dodge Ram 2004 Service Manual page 407

EVAPORATOR TEMPERATURE SENSOR CIRCUIT SHORTED (ACTIVE)
—
Continued
TEST
3 Turn the ignition off.
Disconnect the Evaporator Temperature Sensor harness connector.
Disconnect the A/C - Heater Control Module C1 harness connector.
Measure the resistance between the Evaporator Temperature Sensor Signal circuit
and the Sensor Ground circuit.
Is the resistance above 10K ohms?
Yes → Replace the A/C - Heater Control Module in accordance with the
→ Repair the Evaporator Temperature Sensor Signal circuit for a
No
ACTION
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
short to the Sensor Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
393
HEATING & A/C
APPLICABILITY
All